12191260

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1567}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 25683840

約数和(自身を除く): 13492580

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1567, 1945, 3134, 3890, 6268, 7780, 7835, 15670, 31340, 609563, 1219126, 2438252, 3047815, 6095630, 12191260]

約数ペア:

[(1, 12191260), (2, 6095630), (4, 3047815), (5, 2438252), (10, 1219126), (20, 609563), (389, 31340), (778, 15670), (1556, 7835), (1567, 7780), (1945, 6268), (3134, 3890)]